Johannes Kuhlo

Karl Friedrich Johannes Kuhlo (8 October 1856 in Gohfeld, now Löhne, Germany – 16 May 1941 in Bielefeld-Bethel, Germany) together with his father Eduard Kuhlo, founded the German Protestant Posaunenchor (trombone choir/church brass ensemble) movement. Working in collaboration with the Bielefeld instrument maker Ernst David he developed the kuhlohorn for use by the ensembles (among other brass instruments). Provided by Wikipedia